3v4l.org

run code in 300+ PHP versions simultaneously
<?php json_encode("no unicode: \xEF");

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0110.00718.33
8.3.50.0110.00821.97
8.3.40.0130.00618.63
8.3.30.0030.01018.42
8.3.20.0040.00418.48
8.3.10.0070.00020.97
8.3.00.0040.00423.56
8.2.180.0090.00616.48
8.2.170.0100.00722.96
8.2.160.0100.00320.46
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0110.00419.23
8.2.110.0030.00622.18
8.2.100.0080.00317.66
8.2.90.0000.00719.14
8.2.80.0040.00417.97
8.2.70.0080.00017.37
8.2.60.0030.00617.80
8.2.50.0040.00418.07
8.2.40.0000.01018.03
8.2.30.0040.00419.77
8.2.20.0070.00017.58
8.2.10.0040.00417.60
8.2.00.0030.00717.54
8.1.280.0110.00425.92
8.1.270.0040.00423.99
8.1.260.0120.00626.35
8.1.250.0070.00028.09
8.1.240.0000.00922.53
8.1.230.0070.00420.93
8.1.220.0000.00918.77
8.1.210.0050.00318.83
8.1.200.0060.00317.23
8.1.190.0070.00017.41
8.1.180.0050.00318.10
8.1.170.0070.00018.46
8.1.160.0040.00418.81
8.1.150.0080.00018.45
8.1.140.0040.00417.31
8.1.130.0030.00317.75
8.1.120.0030.00317.29
8.1.110.0030.00517.31
8.1.100.0040.00417.30
8.1.90.0000.00717.36
8.1.80.0070.00017.36
8.1.70.0030.00317.17
8.1.60.0030.00617.33
8.1.50.0000.00917.32
8.1.40.0030.00517.30
8.1.30.0000.00817.40
8.1.20.0060.00317.38
8.1.10.0080.00017.25
8.1.00.0040.00717.20
8.0.300.0050.00319.65
8.0.290.0000.00716.91
8.0.280.0070.00018.18
8.0.270.0070.00017.00
8.0.260.0000.00716.74
8.0.250.0060.00316.81
8.0.240.0000.00816.77
8.0.230.0030.00316.77
8.0.220.0050.00316.79
8.0.210.0070.00016.79
8.0.200.0040.00416.77
8.0.190.0000.00716.76
8.0.180.0070.00016.74
8.0.170.0030.00516.75
8.0.160.0000.00816.71
8.0.150.0040.00416.80
8.0.140.0030.00716.63
8.0.130.0030.00313.14
8.0.120.0040.00416.67
8.0.110.0040.00416.78
8.0.100.0000.00716.61
8.0.90.0080.00016.79
8.0.80.0150.00616.68
8.0.70.0030.00516.55
8.0.60.0050.00316.63
8.0.50.0040.00416.75
8.0.30.0100.01317.04
8.0.20.0130.00617.40
8.0.10.0040.00416.78
8.0.00.0130.00616.56
7.4.330.0050.00014.54
7.4.320.0040.00416.37
7.4.300.0060.00016.30
7.4.290.0040.00416.35
7.4.280.0000.00716.36
7.4.270.0000.00616.39
7.4.260.0030.00313.09
7.4.250.0000.00716.43
7.4.240.0030.00316.32
7.4.230.0030.00316.44
7.4.220.0030.01416.33
7.4.210.0060.00816.39
7.4.200.0070.00016.36
7.4.190.0030.00616.40
7.4.160.0120.00316.27
7.4.150.0110.00617.40
7.4.140.0060.01117.86
7.4.130.0120.00616.36
7.4.120.0080.00916.35
7.4.110.0100.00716.44
7.4.100.0140.00616.56
7.4.90.0040.01316.49
7.4.80.0130.00319.37
7.4.70.0070.01416.37
7.4.60.0030.01316.05
7.4.50.0030.00616.46
7.4.40.0070.00722.27
7.4.30.0100.01016.44
7.4.00.0030.01414.91
7.3.330.0000.00512.86
7.3.320.0030.00313.11
7.3.310.0030.00315.99
7.3.300.0000.00716.07
7.3.290.0060.01216.08
7.3.280.0050.01016.12
7.3.270.0090.00917.40
7.3.260.0140.00318.24
7.3.250.0140.00616.11
7.3.240.0130.00316.34
7.3.230.0060.01116.39
7.3.210.0090.01416.09
7.3.200.0080.00819.39
7.3.190.0060.01216.26
7.3.180.0030.01416.36
7.3.170.0090.00616.27
7.3.160.0100.01016.14
7.3.120.0130.00314.62
7.2.330.0100.01016.53
7.2.320.0080.00816.19
7.2.310.0160.00716.32
7.2.300.0130.00316.24
7.2.290.0160.00016.26
7.2.00.0040.01219.17
7.1.100.0000.01317.92
7.1.70.0050.00316.86
7.1.60.0090.01519.40
7.1.50.0120.01216.79
7.1.00.0070.03322.34
7.0.200.0000.00816.75
7.0.140.0070.06722.21
7.0.120.0100.06322.16
7.0.110.0030.07722.25
7.0.100.0070.07022.04
7.0.90.0030.07322.11
7.0.80.0030.07322.10
7.0.70.0000.07322.07
7.0.60.0000.07322.06
7.0.50.0030.06322.12
7.0.40.0000.07721.99
7.0.30.0030.06321.98
7.0.20.0030.07322.14
7.0.10.0070.07022.04
7.0.00.0000.07722.03
5.6.260.0100.06320.83
5.6.250.0030.07321.04
5.6.240.0000.06321.04
5.6.230.0030.07720.82
5.6.220.0030.07320.82
5.6.210.0030.07320.94
5.6.200.0030.07721.00
5.6.190.0070.07021.08
5.6.180.0030.07320.75
5.6.170.0030.07320.84
5.6.160.0000.07720.74
5.6.150.0070.06720.74
5.6.140.0030.07721.04
5.6.130.0030.07021.08
5.6.120.0030.06721.05
5.6.110.0100.05320.98
5.6.100.0170.06320.83
5.6.90.0070.07020.89
5.6.80.0030.07020.41
5.6.70.0000.05020.45
5.6.60.0000.06020.37
5.6.50.0070.06320.41
5.6.40.0000.07320.43
5.6.30.0030.06720.18
5.6.20.0070.06720.38
5.6.10.0000.07320.08
5.6.00.0100.06320.43
5.5.380.0070.06717.46
5.5.370.0070.06717.62
5.5.360.0030.06317.53
5.5.350.0070.05717.61
5.5.340.0030.05718.03
5.5.330.0030.07018.13
5.5.320.0000.07318.14
5.5.310.0100.06717.89
5.5.300.0030.06718.16
5.5.290.0030.07317.77
5.5.280.0000.07717.98
5.5.270.0070.06017.84
5.5.260.0030.06017.83
5.5.250.0070.07017.79
5.5.240.0030.05717.38
5.5.230.0030.05717.53
5.5.220.0030.07017.53
5.5.210.0030.07017.38
5.5.200.0030.05317.36
5.5.190.0030.06017.34
5.5.180.0000.07317.45
5.5.160.0070.06317.21
5.5.150.0070.06317.45
5.5.140.0000.07717.21
5.5.130.0030.06317.50
5.5.120.0070.06317.33
5.5.110.0000.06017.46
5.5.100.0000.07317.02
5.5.90.0000.07017.43
5.5.80.0000.07017.09
5.5.70.0100.06317.11
5.5.60.0070.06317.34
5.5.50.0030.06717.28
5.5.40.0100.06017.09
5.5.30.0030.06717.08
5.5.20.0030.07017.38
5.5.10.0030.06717.41
5.5.00.0000.07317.48
5.4.450.0070.07019.44
5.4.440.0030.07019.26
5.4.430.0030.07019.31
5.4.420.0000.07319.29
5.4.410.0070.06019.29
5.4.400.0030.06718.93
5.4.390.0000.06019.11
5.4.380.0030.06719.30
5.4.370.0030.06719.00
5.4.360.0030.06019.27
5.4.350.0000.07019.00
5.4.340.0030.05019.11
5.4.320.0000.06319.07
5.4.310.0070.06718.93
5.4.300.0030.07018.97
5.4.290.0000.07019.09
5.4.280.0000.07318.97
5.4.270.0000.06719.07
5.4.260.0030.06719.02
5.4.250.0070.06718.93
5.4.240.0070.05719.08
5.4.230.0000.06719.23
5.4.220.0100.06318.93
5.4.210.0030.06719.00
5.4.200.0070.06319.10
5.4.190.0030.07019.25
5.4.180.0030.06019.10
5.4.170.0000.06718.91
5.4.160.0000.06018.94
5.4.150.0000.07018.98
5.4.140.0030.06716.46
5.4.130.0030.06316.36
5.4.120.0100.06016.45
5.4.110.0030.06716.47
5.4.100.0030.06316.35
5.4.90.0070.06016.39
5.4.80.0000.06716.35
5.4.70.0070.05716.37
5.4.60.0000.06716.48
5.4.50.0030.05016.34
5.4.40.0070.05716.15
5.4.30.0000.06716.49
5.4.20.0000.06716.43
5.4.10.0030.05316.36
5.4.00.0030.06015.91
5.3.290.0000.05714.73
5.3.280.0000.06014.61
5.3.270.0000.07314.51
5.3.260.0030.07014.61
5.3.250.0030.06314.46
5.3.240.0030.06014.46
5.3.230.0030.06714.47
5.3.220.0000.07014.42
5.3.210.0030.06714.35
5.3.200.0070.06014.48
5.3.190.0030.06714.44
5.3.180.0030.05714.41
5.3.170.0070.06314.62
5.3.160.0030.06014.57
5.3.150.0000.06014.50
5.3.140.0030.06714.61
5.3.130.0030.06714.54
5.3.120.0030.06314.39
5.3.110.0030.07014.33
5.3.100.0070.06313.98
5.3.90.0030.06314.11
5.3.80.0000.06713.83
5.3.70.0030.06714.02
5.3.60.0070.05713.95
5.3.50.0070.06013.86
5.3.40.0000.07014.04
5.3.30.0030.06313.91
5.3.20.0000.06713.58
5.3.10.0030.06013.75
5.3.00.0000.06713.52
5.2.170.0030.05311.17
5.2.160.0070.05011.04
5.2.150.0000.06011.07
5.2.140.0030.05711.14
5.2.130.0000.05011.03
5.2.120.0000.05311.03
5.2.110.0030.05311.05
5.2.100.0030.04711.07
5.2.90.0030.05011.04
5.2.80.0000.05711.15
5.2.70.0000.05711.04
5.2.60.0000.05710.98
5.2.50.0030.05010.93
5.2.40.0030.05311.02
5.2.30.0000.05010.86
5.2.20.0030.05010.89
5.2.10.0000.05310.74
5.2.00.0030.05310.66
5.1.60.0030.04310.28
5.1.50.0000.05010.28
5.1.40.0000.04010.28
5.1.30.0030.04710.28
5.1.20.0030.04310.36
5.1.10.0070.04010.28
5.1.00.0000.03710.28
5.0.50.0030.04010.28
5.0.40.0000.04010.28
5.0.30.0000.05710.28
5.0.20.0000.03010.28
5.0.10.0000.04010.28
5.0.00.0000.05010.28
4.4.90.0100.02310.28
4.4.80.0000.03010.28
4.4.70.0030.03010.28
4.4.60.0030.03010.28
4.4.50.0000.03010.28
4.4.40.0030.04710.28
4.4.30.0030.02710.28
4.4.20.0030.03010.28
4.4.10.0000.02310.28
4.4.00.0000.04710.28
4.3.110.0070.02710.28
4.3.100.0000.03010.28
4.3.90.0000.03010.28
4.3.80.0030.04310.28
4.3.70.0030.02310.28
4.3.60.0030.02710.28
4.3.50.0070.02710.28
4.3.40.0030.04310.28
4.3.30.0000.02710.28
4.3.20.0000.03310.28
4.3.10.0000.03010.28
4.3.00.0000.03310.28

preferences:
42.69 ms | 401 KiB | 5 Q